<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<p id="kuayu">这是跨域的子iframe页面</p>
		<script type="text/javascript">
			window.top.postMessage(11)
		</script>
	</body>
</html>
